The old China think men is more important that women. So for the men's side, everything is important.

The reason why Chinese make it so clear is that in the long history of China, there are 2000 years that China is a feudal society. A feudal society is highly hierarchical.

It is hard to give a wedding gift. To give a wedding gift, it is hard to come up with something that the accepter will love and not cost much.

Most wedding ceremony is in hotel room in the USA. In China, most ceremony is in the new couple's home. The bedroom of the new couple's home is called cave room. Right after the ceremony, the bride should go into the cave room. The broom can not go there until all guest left.

And the days of Isaac were an hundred and fourscore years.

In English, uncle means the brother of your father or mother. But in Chinese, brothers of your father or mother are made very clear. If a person is an elder brother of your father, you should call him Bo Fu or Da Ye. If a person is a younger brother of your father, you should call him Shu Shu.

In China, one can not call a senior or older relative their names. They should be call as something like uncle, ant, grandma and so on. Calling a senior relative as Mr. something is regarded as very impolite.

Esau took his wives of the daughters of Canaan; Adah the daughter of Elon the Hittite, and Aholibamah the daughter of Anah the daughter of Zibeon the Hivite;

Grandmother means mother of father or mother. In Chinese mother of your father is called Nai Nai. Mother of your mother is called Lao Lao or Wai Po.